diff --git a/pkgs/development/ocaml-modules/pgocaml/default.nix b/pkgs/development/ocaml-modules/pgocaml/default.nix
index f1166d1c324..00c0d472f9a 100644
--- a/pkgs/development/ocaml-modules/pgocaml/default.nix
+++ b/pkgs/development/ocaml-modules/pgocaml/default.nix
@@ -1,14 +1,14 @@
-{stdenv, fetchurl, ocaml, findlib, camlp4, calendar, csv, ocaml_pcre}:
+{ stdenv, fetchurl, ocaml, findlib, camlp4, calendar, csv, ocaml_pcre }:
 
 stdenv.mkDerivation {
-  name = "ocaml-pgocaml-2.1";
+  name = "ocaml-pgocaml-2.2";
   src = fetchurl {
-    url = http://forge.ocamlcore.org/frs/download.php/1413/pgocaml-2.1.tgz;
-    sha256 = "0m7whlmhm7z58pfaarvkyiwaylmrz05aj6fr773zd9xlv07ljiym";
+    url = http://forge.ocamlcore.org/frs/download.php/1506/pgocaml-2.2.tgz;
+    sha256 = "0x0dhlz2rqxpwfdqi384f9fn0ng2irifadmxfm2b4gcz7y1cl9rh";
   };
 
-  buildInputs = [ocaml findlib camlp4];
-  propagatedBuildInputs = [calendar csv ocaml_pcre];
+  buildInputs = [ ocaml findlib camlp4 ];
+  propagatedBuildInputs = [ calendar csv ocaml_pcre ];
 
   createFindlibDestdir = true;